Screedmaster Deep
Self-levelling floor screed (UK) · GB · manufacturer-sourced
How long before you can tile over Bostik Screedmaster Deep?
Short answer
Return-to-use gates
Walk, furniture and full traffic open at different times
- Apply the Self-levelling floor screed (UK) to a clean, dry subfloor
- Stay off until the foot-traffic time
- Bring in furniture and heavy use later
This product’s stated stages Quoted at 73°F
- Working time ends20 minutes
- Light foot traffic1 hour 30 min
- Ready for tile3–4 hours
- Ready for flooring1 day
Worth noticing: Working time is only 20 minutes; the next stated stage, light foot traffic, is 1 hour 30 min.
Common mistake: Moving furniture back the day after, while the surface is still soft.
Return-to-use gates
Open the surface gradually instead of treating cure as one moment
Time returning to use
Your countdown
Stated times
- Working time ends20 minutes
- Ready for tile3–4 hours
- Ready for floor covering1 day
- Light foot traffic90 minutes
From Bostik data sheet · checked 2026-10-25. Anything not listed isn’t stated by the manufacturer.
Manufacturer website: bostik.com
Conditions & fine print
- Stated conditions: 73°F (23°C)
- Floor times assume the stated temperature and humidity. Cold slabs, thick coats and damp subfloors lengthen them. Follow the current data sheet.
- Region GB. Formulas can differ between countries; check your container.
- Working time ends: At 20°C (68°F).
- Ready for tile: 48 hours over 10 mm.
- Ready for floor covering: At 20°C (68°F).
- Light foot traffic: At 20°C (68°F).
- Entered from the cited manufacturer documentation. Check the current label for the exact formula and region. Report outdated information
- Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.
Confirm this is your product
Closely named formulas, colors and regional versions can use different times. Match these details to your container before starting a countdown.
- Exact listing
- Bostik Screedmaster Deep
- Variant
- Self-levelling floor screed (UK)
- Region
- GB
- Listed use
- self-levelling, deep fills
- Timed stages recorded
- tooling, tile ready, floor ready, light foot
- Source checked
- 2026-10-25
Documentation: Technical data sheet copy · Technical data sheet, April 2013
Condition attached to the stated time: At 20°C (68°F).
About this product
A deep-pour leveller whose covering wait scales with thickness: ceramic tiles after 3 to 4 hours under 10 mm and 48 hours above, vinyl after 24 hours per 10 mm.
Using this specific product
Bostik Screedmaster Deep is listed here as the Self-levelling floor screed (UK) version for self-levelling and deep fills. For installing or finishing a floor, the useful question is not simply whether the surface looks finished—it is whether the exact next-action milestone shown above has been reached.
Before you start
- Confirm the package says Self-levelling floor screed (UK); related versions can use different timing.
- For self-levelling and deep fills, pay particular attention to subfloor condition, trowel coverage, room temperature and traffic plan.
- At 20°C (68°F). 48 hours over 10 mm.
How to check readiness
Test the least-ventilated area before walking, covering or replacing furniture. The sheet gives a working time of 20 minutes. The sheet gives ceramic tiles after 3 to 4 hours for layers under 10 mm. The sheet gives vinyl after 24 hours per 10 mm.
Avoid this mistake
Foot traffic, furniture and rugs can have different return times.
Compare with similar products
- Compare with TEC (H.B. Fuller) Multipurpose Smoothing Mortar (555)Light foot traffic: 1.5 h there, 1.5 h here.
- Compare with ARDEX K 15 Premium Self-Leveling UnderlaymentLight foot traffic: 2–3 h there, 1.5 h here.
Questions
How long before you can tile over this product?
Bostik states: The sheet gives a working time of 20 minutes. Conditions: At 20°C (68°F).. The sheet gives ceramic tiles after 3 to 4 hours for layers under 10 mm. Conditions: 48 hours over 10 mm.. The sheet gives vinyl after 24 hours per 10 mm. Conditions: At 20°C (68°F).. The sheet gives foot traffic after 1.5 hours. Conditions: At 20°C (68°F).. These are the manufacturer’s stated times, not a guarantee.
How long before I tile on a thick Screedmaster Deep pour?
The sheet gives 3 to 4 hours for layers under 10 mm and 48 hours for layers over 10 mm.
How long before I can install flooring over this product?
Bostik states: The sheet gives vinyl after 24 hours per 10 mm. Conditions: At 20°C (68°F).. These are the manufacturer’s stated times, not a guarantee.
How long do I have to work with this product?
Bostik states: The sheet gives a working time of 20 minutes. Conditions: At 20°C (68°F).. These are the manufacturer’s stated times, not a guarantee.
How long before I can walk on tile set with this product?
Bostik states: The sheet gives foot traffic after 1.5 hours. Conditions: At 20°C (68°F).. These are the manufacturer’s stated times, not a guarantee.
What affects how long this product takes to dry or cure?
Floor times assume the stated temperature and humidity. Cold slabs, thick coats and damp subfloors lengthen them. Follow the current data sheet. Follow the product label for your conditions.